 .input-val {
			  width: 200px;
			  height: 32px;
			  border: 1px solid #ddd;
			  box-sizing: border-box;
			  }
			  #canvas {
			  vertical-align: middle;
			  box-sizing: border-box;
			  border: 1px solid #ddd;
			  cursor: pointer;
			  }
			  .btn {
			  display: block;
			  margin-top: 20px;
			  height: 32px;
			  width: 100px;
			  font-size: 16px;
			  color: #fff;
			  background-color: #457adb;
			  border: none;
			  border-radius: 50px;
			  }